ANISOTROPY

ai an ar as at ay in is it na no oi on op or os oy pa pi si so ta ti to ya yo

ain air ais ait ani ant any apo apt ars art asp ays ins ion its nap nay nip nit noo nor nos not oar oat ono ons oot ops opt ora ors ort pan par pas pat pay pia pin pis pit poi poo pot pro pry psi pst pya rai ran rap ras rat ray ria rin rip rot rya sap sat say sin sip sir sit son sop sot soy spa spy sri sty syn tan tao tap tar tas tin tip tis ton too top tor toy try yap yar yin yip yon

ains airn airs airt airy aits anis anti ants apos arts arty atop ayin inro into ions iota iron naoi naos naps nary nays nipa nips nits noir nori nosy nota oars oast oats onos onto oops oots opts orts osar pain pair pans pant pars part past pats paty pays pian pias pina pins pint piny pion pirn piso pita pits pity pois pons pony poon poor poos porn port post posy pots prao prat pray proa pros pyas pyin pyro rain rais rani rant raps rapt rasp rato rats rays rias rins riot rips roan root ropy rosy rota roti roto rots ryas ryot sain sari sati snap snip snit snot soap soar soon soot sora sori sorn sort soya span spar spat spay spin spit spot spry star stay stir stoa stop tain tans taos taps tarn taro tarp tars tins tiny tips tiro tons tony toon topi topo tops tora tori torn toro tors tory toyo toys trap tray trio trip trop troy tsar tyin typo tyro yaps yarn yins yips yoni